Zoeller M98 Flow-Mate
#7 in 1/2 HP and upFull review
For basements with a high water table or a deep pit where a 1/3 HP pump runs constantly. The cast iron build suits long, heavy duty cycles.
Amazon $328.80$328.80
The Zoeller M98 Flow-Mate is the better sump pump overall, rated 3.1 to 2.6. The Zoeller M98 Flow-Mate leads on build, value and flow. The Zoeller M98 Flow-Mate costs $51.19 less ($328.80 vs $379.99).
Little Giant 10EC-CIA-SFS
#14 in 1/2 HP and upFull review
For a deep basement or long discharge run where flow at 20 ft and beyond matters most.
Amazon $379.99$379.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Zoeller M98 Flow-Mate for build (cast iron motor housing, switch fits a narrow pit vs cast iron motor housing), value ($89.84 per 1,000 GPH at 10 ft ($328.80, 3,660 GPH) vs $111.11 per 1,000 GPH at 10 ft ($379.99, 3,420 GPH)) and flow (3,660 GPH at 10 ft vs 3,420 GPH at 10 ft).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1/2 HP and up sump pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Zoeller M98 Flow-Mate | Little Giant 10EC-CIA-SFS |
|---|---|---|
| Overall rating | 3.1/5 | 2.6/5 |
| Value 30% | 31 $89.84 per 1,000 GPH at 10 ft ($328.80, 3,660 GPH) | 13 $111.11 per 1,000 GPH at 10 ft ($379.99, 3,420 GPH) |
| Flow 30% | 46 3,660 GPH at 10 ft | 37 3,420 GPH at 10 ft |
| Build 20% | 67 cast iron motor housing, switch fits a narrow pit | 33 cast iron motor housing |
| Warranty 20% | 50 3-year warranty | 50 3-year warranty |
Specifications
| Zoeller M98 Flow-Mate | Little Giant 10EC-CIA-SFS | |
|---|---|---|
| Pumping | ||
| Motor | 1/2 HP | 1/2 HP |
| Type | Submersible | Submersible |
| Flow at 10 ft | 3,660 GPH | 3,420 GPH |
| Max lift | 23 ft | 36 ft |
| Discharge | 1.5 in | 1.5 in |
| Running current | 9.4 A | 6.5 A |
| Switch and build | ||
| Switch | Vertical float | Tethered float |
| Cast iron housing | Yes | Yes |
| Alarm or monitoring | No | No |
| Wi-Fi | No | No |
| Cord length | 9 ft | 10 ft |
| Weight | 36 lb | 29 lb |
| Warranty | 3 years | 3 years |